:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1e222b;--border: #2a2f3a;--text: #e7e9ee;--muted: #9aa3b2;--accent: #ff441f;--accent-2: #2f7bff;--ok: #2ecc71;--err: #ff5a5a;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}button{font-family:inherit}.app{display:flex;flex-direction:column;height:100vh}.toolbar{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0}.brand{font-weight:700;white-space:nowrap}.name-input{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 10px;width:240px;font-size:14px}.save-badge{font-size:12px;color:var(--muted);min-width:90px}.save-saved{color:var(--ok)}.save-error{color:var(--err)}.spacer{flex:1}.btn{background:var(--panel-2);border:1px solid 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#000}.preview-iframe{width:100%;height:100%;border:0;background:#000;display:block}.drop-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#ff441f26;color:#fff;font-weight:600;pointer-events:none}.tabbar{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:14px}.tab{background:var(--panel-2);border:1px solid var(--border);color:var(--muted);border-radius:7px;padding:5px 10px;cursor:pointer;font-size:12px}.tab.is-active{color:#fff;border-color:var(--accent);background:var(--accent)}.prop-hint{font-size:12px;color:var(--muted);margin:0 0 12px}.field{display:block;margin-bottom:12px}.field-label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;width:min(680px,92vw);max-height:82vh;overflow-y:auto;padding:18px}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.modal-head h2{margin:0;font-size:18px}.design-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px}.design-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:10px 12px}.design-list li.is-current{border-color:var(--accent)}.design-list li.empty{color:var(--muted);justify-content:center}.design-meta{display:flex;flex-direction:column;cursor:pointer;flex:1}.design-name{font-weight:600}.design-sub{font-size:12px;color:var(--muted)}.design-actions{display:flex;gap:6px}.toast-stack{position:fixed;bottom:18px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:200}.toast{background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:10px 16px;border-radius:10px;font-size:13px;cursor:pointer;box-shadow:0 10px 30px #0006;max-width:460px}.toast-ok{border-color:var(--ok)}.toast-err{border-color:var(--err)}.toast-info{border-color:var(--accent-2)}